Home / 25,928.56-38,845.86-11,900.32

Finding the Fourth Proportional to 25,928.56, 38,845.86 and 11,900.32

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Solution

The fourth proportional to 25,928.56, 38,845.86 and 11,900.32 is: 17,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.56 : 38,845.86 = 11,900.32 : x
  2. Step 2: Convert to fraction form
    25,928.56/38,845.86 = 11,900.32/x
  3. Step 3: Cross multiply
    25,928.56x = 38,845.86 × 11,900.32
  4. Step 4: Simplify right side
    25,928.56x = 462,278,164.68
  5. Step 5: Solve for x
    x = 462,278,164.68/25,928.56
  6. Step 6: Final answer
    x = 17,828.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.